国家/地区 中国（3）
IPC部 C（4） D（2）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/205（4）
发明人
公开年 2021（3）
申请年 2021（4）
专利权人

Preparing carbon black-based graphene used in conductive polymer material, energy storage and conversion devices comprises catalytically graphitizing carbon black, adding urea to graphitized carbon black, grinding, peeling intercalation compound with urea, and calcining intercalation compound.

ZHANG Q, WANG C

Producing graphene or carbon fiber involves extracting coal sample from location, performing spectral analysis on coal sample to detect hydrogen to carbon ratio of coal sample, concentration of contaminant in coal sample.

TARGETT M, LINDEMANN G W, ATKINS C A

Preparing graphite fibers with graphite microsheets arranged in radial direction, comprises e.g. placing layered structure substrate in high temperature furnace, placing solid carbon-containing precursor, closing furnace, vacuuming, introducing inert gas, heating, and carrying out induced growing.

ZHOU B, LI Z, LI F, GE X

Polyimide graphene composite film prepared by e.g. performing polycondensation reaction of dianhydride monomer and diamine monomer, adding graphene oxide powder, mixing, casting, removing solvent, and imidization.

QUE X, XU Z